Grade 4
Estimate, measure, and draw angles
I can estimate, measure, and draw angles with a protractor.
Interaction Studio
I can estimate, measure, and draw angles with a protractor.
Explore
Place the center on the vertex, align one ray with zero, and read the correct scale.
65°acute
1/3
Move or select geometric features to explore the geometry model.
Studio challenge
A protractor is lined up correctly and the second ray reaches 65 on the matching scale. What is the angle measure?
Your Turn
Answer each question using the fields below.
Progress: 0 of 20 solved
Question 1 of 20
A protractor is centered on an angle’s vertex. One ray lines up with 0°, and the other ray reaches 65° on the correct scale. What is the angle measure in degrees?